KR920008481A - Test method and device of valve position detector - Google Patents

Test method and device of valve position detector Download PDF

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Publication number
KR920008481A
KR920008481A KR1019910018903A KR910018903A KR920008481A KR 920008481 A KR920008481 A KR 920008481A KR 1019910018903 A KR1019910018903 A KR 1019910018903A KR 910018903 A KR910018903 A KR 910018903A KR 920008481 A KR920008481 A KR 920008481A
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KR
South Korea
Prior art keywords
valve position
air pressure
preset
valve
detected
Prior art date
Application number
KR1019910018903A
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Korean (ko)
Inventor
모터미디 나이더
죠셉 보랜더 윌리엄
로버트 위코스키 마이클
Original Assignee
마이클 죤 덴턴
새턴 코포레이션
델코 엘렉트로닉스 코포레이션
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Application filed by 마이클 죤 덴턴, 새턴 코포레이션, 델코 엘렉트로닉스 코포레이션 filed Critical 마이클 죤 덴턴
Publication of KR920008481A publication Critical patent/KR920008481A/en

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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M15/00—Testing of engines
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D3/00—Indicating or recording apparatus with provision for the special purposes referred to in the subgroups
    • G01D3/08—Indicating or recording apparatus with provision for the special purposes referred to in the subgroups with provision for safeguarding the apparatus, e.g. against abnormal operation, against breakdown
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B77/00—Component parts, details or accessories, not otherwise provided for
    • F02B77/08—Safety, indicating, or supervising devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/22—Safety or indicating devices for abnormal conditions
    • F02D41/222—Safety or indicating devices for abnormal conditions relating to the failure of sensors or parameter detection devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D9/00—Controlling engines by throttling air or fuel-and-air induction conduits or exhaust conduits
    • F02D9/02—Controlling engines by throttling air or fuel-and-air induction conduits or exhaust conduits concerning induction conduits
    • F02D2009/0201—Arrangements; Control features; Details thereof
    • F02D2009/0281—Arrangements; Control features; Details thereof with means for detecting malfunction of one throttle and actuating only the correctly working throttle
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/40—Engine management systems

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Combined Controls Of Internal Combustion Engines (AREA)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)

Abstract

내용 없음No content

Description

밸브위치 검출기의 시험방법 및 장치Test method and device of valve position detector

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.

제1도는 트로틀 위치검출기의 정확도를 검지하기 위하여 사용되는 진단시스템(deagnostic system)과 엔진제어부의 실시예를 도시한 다이어그램.1 is a diagram showing an embodiment of a diagnostic system and an engine control unit used to detect the accuracy of a throttle position detector.

제2도 내지 제3도는 제1도의 엔진제어부가 작동되는 일련의 순서를 도시한 컴퓨터 처리용 플로우챠트.2 to 3 are computer processing flowcharts showing a sequence of operations in which the engine control unit of FIG. 1 is operated.

Claims (6)

내연기관엔진의 흡기매니폴드로 유입되는 공기를 조절하는 밸브의 위치측정에 사용되는 밸브위치 검출기의 정확도를 결정하는 장치에 있어서, 밸브위치검출기에 의해 검지된 밸브위치에 따라서 밸브의 위치 변화비를 계산하는 처리수단(34); 흡기매니폴드내의 공기압력을 검지하는 압력검출기(48); 상기 밸브의 위치 변화비가 사전에 설정된 변화비를 초과하는 경우, 그리고, 검지된 밸브위치가 사전에 설정된 변화비를 초과하는 경우에 상기 검지된 공기압력을 사전에 설정된 공기압력과 비교하는 비교수단(34); 및 상기 사전에 설정된 공기압력이 상기 검지된 공기압력을 초과하는 경우, 밸브위치 검출기내에 오동작이 존재한다는 것을 지시하는 오동작지시계(44); 를 포함함을 특징으로 하는 밸브위치검출기의 정확도 시험장치.A device for determining the accuracy of a valve position detector used for measuring a position of a valve that regulates air flowing into an intake manifold of an internal combustion engine engine, wherein the position change ratio of the valve is determined according to the valve position detected by the valve position detector. Processing means 34 for calculating; A pressure detector 48 for detecting the air pressure in the intake manifold; Comparison means for comparing the detected air pressure with a preset air pressure when the position change ratio of the valve exceeds a preset change ratio and when the detected valve position exceeds a preset change ratio ( 34); And a malfunction indicator 44 indicating that a malfunction exists in the valve position detector when the preset air pressure exceeds the detected air pressure. Accuracy test device of the valve position detector, characterized in that it comprises a. 제1항에 있어서, 상기 사전에 설정된 밸브위치는 엔진출력측의 회전속도 (ES)와 비례함을 특징으로 하는 밸브위치 검출기의 정확도 시험장치.The apparatus of claim 1, wherein the preset valve position is proportional to the rotational speed (ES) on the engine output side. 제1항 또는 제2항에 있어서, 상기 오동작지시계(44)는, 상기사전에 설정된 공기압력이 상기 검지된 공기압력을 초과하지 않는 경우, 밸브위치 검출기내에 오동작이 존재하지 않는다는 것을 지시하는 제2 지시계를 포함함을 특징으로 하는 밸브위치검출기의 정확도 시험장치.3. The second malfunction detector 44 according to claim 1 or 2, wherein the malfunction indicator 44 indicates that there is no malfunction in the valve position detector when the preset air pressure does not exceed the detected air pressure. Accuracy test apparatus for a valve position detector, characterized in that it comprises an indicator. 제1항, 제2항 또는 제3항중 어느 한 항에 있어서, 상기 오동작지시계는 상기 사전에 설정된 공기압력이 상기 검지된 공기압력을 초과하는 경우에 계수기를 중분시키는 중분수단(34, 44)과, 상기 사전에 설정된 공기압력이 상기 검지된 공기압력을 초과하지 않는 경우에 계수기를 감소시키는 감소수단(34, 44)을 포함하고; 상기 오동작지시계는 상기 계수기가 사전에 설정된 계수값(count)을 초과하는 경우, 상기 밸브위치 검출기내에 오동작이 존재한다는 것을 지시하며; 상기 제2지시계는 상기 계수기가 사전에 설정된 계수값을 초과하지 않는 경우, 상기 밸브위치검출기내에 오동작이 존재하지 않는다는 것을 지시함; 을 특징으로 하는 밸브위치 검출기의 정확도 시험 장치.4. The method according to any one of claims 1, 2, or 3, wherein the malfunction indicator comprises: central means (34, 44) which divides the counter when the preset air pressure exceeds the detected air pressure; Reducing means (34, 44) for reducing the counter when the preset air pressure does not exceed the detected air pressure; The malfunction indicator indicates that there is a malfunction in the valve position detector when the counter exceeds a preset count value; The second indicator indicates that there is no malfunction in the valve position detector when the counter does not exceed a preset count value; Accuracy test device of the valve position detector, characterized in that. 내연기관엔진의 흡기매니폴드로 유입되는 공기를 조절하는 밸브의 위치측정에 사용되는 밸브위치 검출기의 정확도를 결정하는 방법에 있어서, 상기 밸브의 위치를 검지하는 단계; 상기 흡기매니폴드의 공기압력을 검지하는 단계; 상기 흡기매니폴드의 공기압력이 항상 사전에 결정된 압력임계치 이상으로 유지되는 밸브위치를 설정하는 단계; 상기 검지된 밸브위치가 사전에 설정된 밸브위치보다 크게 유지되는 동안, 상기 검지된 공기압력을 사전에 설정된 압력임계치와 비교하는 단계; 및, 상기 검지된 공기압력이 사전에 설정된 압력임계치 보다 적은 경우, 상기 검지된 밸브위치에서 오동작을 지시하는 단계; 를 포함함을 특징으로 하는 밸브위치검출기의 정확도 시험 방법.CLAIMS 1. A method for determining the accuracy of a valve position detector used to measure a position of a valve that regulates air entering an intake manifold of an internal combustion engine engine, the method comprising: detecting the position of the valve; Detecting an air pressure of the intake manifold; Setting a valve position at which the air pressure of the intake manifold is always maintained above a predetermined pressure threshold; Comparing the detected air pressure with a preset pressure threshold while the detected valve position is maintained larger than a preset valve position; And instructing a malfunction at the detected valve position when the detected air pressure is less than a preset pressure threshold; Accuracy test method for a valve position detector, characterized in that it comprises a. 제5항에 있어서, 상기 밸브위치를 설정하는 단계는 엔진속도(ES)를 검지하는 단계와, 상기 검지된 엔진속도의 함수로서 밸브위치를 결정하는 단계를 포함함을 특징으로 하는 밸브위치검출기의 정확도 시험방법.6. The method of claim 5, wherein setting the valve position includes detecting an engine speed (ES) and determining a valve position as a function of the detected engine speed. Accuracy test method. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019910018903A 1990-10-25 1991-10-25 Test method and device of valve position detector KR920008481A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/603,034 1990-10-25
US07/603,034 US5079946A (en) 1990-10-25 1990-10-25 Valve position sensor diagnostic

Publications (1)

Publication Number Publication Date
KR920008481A true KR920008481A (en) 1992-05-28

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Application Number Title Priority Date Filing Date
KR1019910018903A KR920008481A (en) 1990-10-25 1991-10-25 Test method and device of valve position detector

Country Status (6)

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US (1) US5079946A (en)
EP (1) EP0482692B1 (en)
JP (1) JPH04262032A (en)
KR (1) KR920008481A (en)
CA (1) CA2048972A1 (en)
DE (1) DE69103719T2 (en)

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Also Published As

Publication number Publication date
EP0482692A1 (en) 1992-04-29
US5079946A (en) 1992-01-14
DE69103719T2 (en) 1994-12-22
EP0482692B1 (en) 1994-08-31
DE69103719D1 (en) 1994-10-06
JPH04262032A (en) 1992-09-17
CA2048972A1 (en) 1992-04-26

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